Quickest diesels?

[maca]

I've decided that once my warranty's up, my car's gonna fly.

Expect this thread again in either 22 months or 80,000km.

[AstraOiler]

I've decided that once my warranty's up, my car's gonna fly.

Expect this thread again in either 22 months or 80,000km.

Lol. and what are the plans to make this happen?

[gldgti]

Lol. and what are the plans to make this happen?

he's going to put 2 of those big spoilers you see on lancers and skylines on the car, mounted upside-down, one on the hatch and one on hte bonnet. then he's gonna get hold of a JATO unit.....

in all seriousness, you guys must spend a bomb on modding your cars when they're less than 5 years old....

[Transporter]

is this talking about diesel? we need to be clear, because diesel combusion is a continuous process rather than just a 'bang'.... therefore information about "peak cylinder pressure" may not be accurate.

And for that reason, if you're able to fill up more air and fuel in less time on to the cylinders, than you get more power from more fuel delivered.

[mikinoz]

My TDI is the quickest diesel.

/thread.

[Transporter]

My TDI is the quickest diesel.

/thread.

Nooo, mine is.

[mikinoz]

Nooo, mine is.

Prove it.

[maca]

Lol. and what are the plans to make this happen?

I'll worry about that when the time comes... But I can't waitttt.

[shadowmaker]

Interesting read about the theory, but not that relevant here IMO. Diesel truck guys are using 15:1 compression with 10bar turbo pressure. My friend is using 23:1 with 3,0bar in his MB 3,0TD with 450hp (gt37v vnt turbo) and we are building a similar OM603 MB engine with my other friend with the same compression. Target is 550hp with ~3,0bar with a single VNT turbo.

My van with 2.5TDI 5cyl inline has a bit lower than original compression (20,5:1) due to retracted valve seats with bigger valve job. Ihave been using only 2,0bar boost but with my ongoing build I'm targetting ~5,0bar with two VNTs in serie.

Here's my old dyno with only 1,3bar boost (the dyno I'm using has too low inertia to keep the pressure up). 228kW, 590Nm:



With MAF modification I was able to make power up to 5100rpm, but I don't have dyno plot of it anymore.

Compared to some other TDIs which make the same trap speed @ 1/4 mile and are weighted, I should have a bit over 270kW (370hp) (equal to ~215kW in a 1.9TDI).

You can see my best 1/4 mile run on my sig. Lost to the big block gasser (lighter than my van) 0,1s, but had 1km/h more trap.

@AstraOiler:

Where do you get your power figures? Dyno? 1/4 mile?

[Sage]

damn AstraOiler.. if id known about these gains.. i would have bought one instead of my 2.0TDi!! Exactly what year/model do you have and what sort of money for the tune?

Anyways mine is bluefinned.. Apparently good for 127Kw and 392nm..

https://www.mybluefin.co.uk

Bout $700 delivered.

[Transporter]

damn AstraOiler.. if id known about these gains.. i would have bought one instead of my 2.0TDi!! Exactly what year/model do you have and what sort of money for the tune?

Anyways mine is bluefinned.. Apparently good for 127Kw and 392nm..

https://www.mybluefin.co.uk

Bout $700 delivered.

I think that in long run you're better of with the VW.